IFM SDG070 Operating Instructions Manual Download Page 5

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Application area: compressed air systems in industrial use�
All indications apply for standard volume flow to DIN ISO 2533, i�e� volume flow

at 1013 hPa, 15 °C and 0 % relative air humidity� The unit can be set to different

standard conditions (

→ 10.5.5

and

→ 10.5.6

)�

The general operating conditions of compressed air equipment apply�
Pressure Equipment Directive (PED): Devices with a measuring section comply

with art� 3 sec� (3) of the Directive 97/23/EC and are designed and manufac-

tured for stable gases of the fluid group 2 in accordance with sound engineering

practice�

5 Function

5.1 Processing of the measured signals

• The unit displays the current process values�
• It generates 2 output signals according to the parameter setting�

OUT1 3 selection options �� parameter setting
- switching signal for volumetric flow limit values ��

(→ 10.2.1)

- pulse sequence for quantity meter ��

(→ 10.3.1)

- switching signal for preset counter ��

(→ 10.3.2)

OUT2: 5 selection options
- switching signal for volumetric flow limit values ��

(→ 10.2.2)

- switching signal for temperature ��

(→ 10.4.1)

- analogue signal for volumetric flow quantity ��

(→ 10.2.3)

- analogue signal for temperature ��

(→ 10.4.2)

- input for external counter reset signal ��

(→ 10.3.6)

5.2 Volumetric flow monitoring

The flow is monitored by a calorimetric measuring system�
• 2 switching signals for volumetric flow limit values can be provided (output 1

and output 2)� Switching functions

→ 5.4

�

• An analogue signal which is proportional to the volumetric flow (4��20 mA) can

be provided on output 2� Analogue function

→ 5.5

�

Summary of Contents for SDG070

Page 1: ...Operating instructions Compressed air meters SDG070 SDG080 SDG100 SDG150 SDG200 706375 00 12 2018 UK ...

Page 2: ...nto the pipe 9 6 5 Insert the sensor into the pipe section 10 7 Electrical connection 11 8 Operating and display elements 12 9 Menu 13 10 Parameter setting 15 10 1 General parameter setting 15 10 2 Settings for volumetric flow monitoring 16 10 2 1 Limit monitoring volumetric flow OUT1 16 10 2 2 Limit monitoring volumetric flow OUT2 16 10 2 3 Analogue output flow rate OUT2 17 10 3 Settings for cons...

Page 3: ...flow cut off 20 10 6 Service functions 20 10 6 1 Read min max values 20 10 6 2 Restoring the factory settings 20 11 Operation 20 11 1 Reading of the set parameters 20 11 2 Changing the display unit in the Run mode 21 11 3 Error indications 21 11 4 General operating conditions 21 12 Technical data and scale drawing 21 1 Preliminary note 1 1 Symbols used Instruction Reaction result Designation of pu...

Page 4: ...authorised by the machine operator In order to guarantee the correct condition of the device for the operating time the device must only be used in media to which the wetted parts are sufficiently resistant Technical data The responsibility whether the measurement devices are suitable for the respective application lies with the operator The manufacturer assumes no liability for consequences of mi...

Page 5: ...cess values It generates 2 output signals according to the parameter setting OUT1 3 selection options parameter setting switching signal for volumetric flow limit values 10 2 1 pulse sequence for quantity meter 10 3 1 switching signal for preset counter 10 3 2 OUT2 5 selection options switching signal for volumetric flow limit values 10 2 2 switching signal for temperature 10 4 1 analogue signal f...

Page 6: ...stored This value can also be displayed The meter saves the totalled consumed quantity every 10 minutes After a power failure this value is available as the current meter reading If a time controlled reset is set the elapsed time of the set reset interval is also stored So the possible data loss can be maximum 10 minutes The meter can be reset as follows Manual reset 10 3 3 Time controlled automat...

Page 7: ...unit provides an analogue signal that is proportional to the volumetric flow quantity and the medium temperature Within the measuring range the analogue signal is 4 20 mA The measuring range is scalable ASP determines at which measured value the output signal is 4 mA AEP determines at which measured value the output signal is 20 mA Minimum distance between ASP and AEP 25 of the final value of the ...

Page 8: ... the loads the units must be mounted before the oiler Ensure sufficient clear space min 120 mm for installation and removal of the sensor 6 2 Installation conditions To meet the specified measurement accuracy the defined inlet and outlet pipe lengths must be adhered to Inlet pipe length 15 x pipe diameter Outlet pipe length 5 x pipe diameter In case of disturbances on the inflow side additional ca...

Page 9: ...oid the installation position in fig 6 unit on side pipe length right If the flow rate is low the specified measurement accuracy cannot be adhered to F F 1 2 3 5 4 6 F flow direction 6 4 Install the pipe section into the pipe IN OUT Loosen the screws 1 on the flanges remove the flanges 2 from the measur ing section 4 Remove the seals 3 from the flange slots Weld the flanges into the pipe ...

Page 10: ...is not impaired Insert the seals into the flange slots Note The slot must be clean and free from welding residues Insert the measuring length so that the flow direction and the arrow 5 show in the same direction Insert the screws and tighten 6 5 Insert the sensor into the pipe section Remove the protective cover from the measuring probe of the sensor 1 Insert the sensor into the meas urement conne...

Page 11: ...DIN EN 60947 5 6 Sample circuits 2 x positive switching 1 x positive switching 1 x analogue L L 3 BU 4 BK 2 WH 1 BN L L 3 BU 4 BK 2 WH 1 BN Pin 1 L Pin 3 L Pin 4 OUT1 Switching signal limit values for volumetric flow Pulse signal 1 pulse every time the defined volumetric flow quantity is reached Switching signal quantity meter reached preset value Pin 2 OUT2 Switching signal limit values for volum...

Page 12: ... medium temperature Current consumed quantity meter reading Consumed quantity meter reading before the last reset Display of the parameters and parameter values 10 Mode Enter button Selection of the parameters and acknowledgement of the parameter values 11 Set pushbutton Setting of the parameter values scrolling by holding pressed incrementally by pressing once Change of the display unit in the no...

Page 13: ...In2 EF AEP rP2 Hno Hnc Fno Fnc ImP I Hno Hnc Fno Fnc In D RUN Nm3 h Nm s Nl min x 103 Nm3 Nm3 C Mode Enter Set HI LO FOU1 FOU2 dAP rTo diS Uni SELd SEL2 rEF P rEF T LFC rES EF Nm3 LED is lit current meter reading Nm3 LED flashes stored meter reading ...

Page 14: ...rature on OUT2 DIn2 Configuration of the input for external meter reset signal HIGH EDG LOW EDG EF Extended functions opening of menu level 2 HI LO Maximum minimum value memory for volumetric flow FOU1 FOU2 Behaviour of OUT1 OUT2 in case of an internal fault OU On OFF dAP Measured value damping damping constant in seconds rTo Counter reset manual reset time controlled reset diS Update rate and ori...

Page 15: ...aram eter flashes for 5 s After 5 s setting value is changed incrementally by pressing the button once or continuously by keeping the button pressed Numerical values are incremented continuously To reduce the value let the display move to the maximum setting value Then the cycle starts again at the minimum setting value 3 Acknowledge parameter value Press Mode Enter briefly The parameter is displa...

Page 16: ...oc is displayed On delivery unlocked Timeout If no button is pressed for 15 s during parameter setting the unit returns to the operat ing mode with unchanged values 10 2 Settings for volumetric flow monitoring 10 2 1 Limit monitoring volumetric flow OUT1 Select OU1 and set the switching function Hno Hnc Fno or Fnc Select SP1 and set the upper limit of the volumetric flow Select rP1 and set the low...

Page 17: ...mPR and set YES Select ImPS and set the volumetric flow quantity at which 1 pulse is provided 10 3 2 Quantity monitoring by preset counter OUT1 Select OU1 and set ImP Select ImPR and set no Select ImPS and set the volumetric flow quantity at which output 1 switches 10 3 3 Manual counter reset Select rTo and set rES T The counter is reset to zero 10 3 4 Time controlled counter reset Select rTo and ...

Page 18: ...ct rP2 and set the lower temperature limit 10 4 2 Analogue output temperature OUT2 Select SEL2 and set TEMP Select OU2 and set the analogue function I 4 20 mA Select ASP2 and set the temperature value at which the minimum current value is provided Select AEP2 and set the temperature value at which the maximum current value is provided 10 5 User settings optional 10 5 1 Standard unit of measurement...

Page 19: ...y is deactivated 10 5 3 Measured value damping Select dAP and set the damping constant in seconds τ value 63 10 5 4 Error behaviour of the outputs Select FOU1 and set the value On Output 1 switches ON in case of a fault OFF Output 1 switches OFF in case of an error OU Output 1 switches irrespective of the fault as defined with the parameters Select FOU2 and set the value 1 Switching output On Outp...

Page 20: ...ed if the environmental conditions specified in the Technical data are adhered to Ensure that the maximum pressure range measuring range and permitted operating temperature are not exceeded After power on and expiry of the power on delay time approx 0 5 s the unit is in the Run mode normal operating mode It carries out its measurement and eval uation functions and generates output signals accordin...

Page 21: ...asured value 120 of the final value of the measuring range Err Flashing error in the measuring probe The output concerned is switched off as long as the short circuit exists These messages are displayed even if the display is switched off 11 4 General operating conditions From time to time check the measuring probes visually for build up Removal of the sensor Loosen the coupling nut remove the sen...

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IFM SDG070, Operating Instructions Manual

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